Type-writer-carriage stop.



No. 833,286. PATENTED- OCT. 16, 1906.

J.. ALEXANDER. TYPE WRITER CARRIAGE STOP.

APPLICATION FILED MAR. 9, 1903.

3 SHEETSSHEET 1.

flitorizay' No. 833,286. ,PATENIED' OCT. 16, 1906.

' J. ALEXANDER. .TYPE WRITER CARRIAGE STOP.

APPLIOATION FILED MAR. 9, 190 3.

a sEnETs-snm 2.

No. 838,286. PATENTBD OCT. 16, 1906.v

' J. ALEXANDER.

TYPE WRITER CARRIAGE STOP. APPLIOA'IP'ION FILED MAB. 9, 1903.

I 3 BHEETs-SHEET 3.

stationary members for the purpose of provid mg definite stopping-points tor the carriage as more particularly and fully shown,described, and claimed in my application, Se-

' simple,.eihcient, and durable means which or the like. I

longitudinally of the carriage for cooperation tion and side elevation of the carriage conf My invention relates to improvements in UNIT TES- JESSE ALEXANDER, OF BROOKLYN,

PATENT orn'ron.

NEW YORK, ASSIGNOR, BY MESNE ASSIGNMENTS, TO LEE ALEXANDER, KI'ITHC ALEXANDER, J R, JESSE ALEXANDER, AND TYVE ALEXANDER.

TYPE-WRlTER-CARRIAGE STOP No. 833,286. Specification of Letters Patent. Patented Oct. 16, 1906.

Original application filed June 2, 1902, Serial No. 109,925. Divided and this application filed'llliarch 9, 1903. Serial No. 146,902.

To all wit/m2 it may concern:

' Be it known that I, JEssE ALEXANDER, a citizen of the United States, residing at Brooklyn, in the county of Kings, State of New York, have invented certain new and useful. Improvements in Type-VVriter-Car riage Stops, of which the following is a full, clear, and exact description.

type-writers, and particularly to the carriagestop construction of a machine of that type rial No. 109,925, filed June 2, 1902, from which this is a divisional application.

The object of this invention is to provide may be easily adjusted for efiecting the au tomatic stopping of the carriage at definite points in its travel either to the right or to the eft, both for the ordinary operation of the machine and for its operation in tabulating The invention consists in providing longi tudmally-ad ustable stops which coact with in its ordinary travel from right to left and from leftto right and also in providing an independent set of stops which are adjustable with a jump or tabulating mechanism, by means of which the carriage may be moved through the desired number of spaces by the simple depression of a key. The firstclassnamely, the marginal stops-f-are provided at the left and right hand end of the machine.

The second sch-namely, the jump-stops are provided, as desired, eithersingly' or iin plurality andmaybe adjusted or varied in pt),- sition as desired. j

In the drawings, Figure 1 is a pla.. vieW of those parts of the ty e-writer which embody the improvements 0 this invention, part being broken away and part in section. Fig. 2 is a side elevation'of parts of the automatic jumping mechanism.

struetion, together with the marginal and" "jun1p, stops. F 1g. 4 is a limit elevation ot g'agement with'ihe gear .27.

which carries this gear 27 at the upper end Fig. 3 is a cross-sec rear view of one end of the construction. Fig. 6 is a view of the carriage and platen side plates or frames.

in the drawings are substantially the same as nal application, from which this is a division. 2 1s a. platen rotatably supported in the side plates 7 and having a shaft 8 and. hanframes 22 22 by means of the intermediate members 72 72 and have a pivotal mounting with respect thereto for the purpose of permitting the platen to be shifted from the lower to upper ease position.

221. is a bar which connects the carriage side-plates 22 22 and indirectly'the platen .side frames 7 7 and which itself is removably secured to a guidersleeve 23 by a thumbserew 232. This sleeve is mounted to slide longitudinally of the rear track-bar 24, The bar 222 connects the carriage side plates at the front and is suitably 'guided' for instance,

146,901, filed'herewith. The pin 722,.projecting from the platen side plate, has a limited' vertical movement in the notch 225 to permit the shifting of the platen.

' 131 is an auxiliary guide-rail which acts platen is shifted.

The carria emay be guided and given a shown in my application filed herewith.

-26 is a rack carried bv the pivoted rod 260.

meansof which it may be tilted about its pivmtal supports in the side frames 22 264 me spring 28 is a shaft and at the lower end carries a ratchet 29, constituting part of the escapementmechanism, by means of which the step-by-step movement of the carriage is limited.

or tabu atingdevice, as shown particularly in Fig. 2.

part of the jun'iping mechanism. Fig. 5 is athe mael'iinelor operating the jumping m'eeh- The referenee-numerals which are shown those appended to the drawings in the origi in cooperation with the roller 91 when the;

normal impu so by any suitable means or as;

37 is a koy-bar pivoted suitably in dles or operating-knobs 9 9 at the ends. a The side plates 7 7 are connected to the side as shown in my application, Serial No.

261- is a handle attached to the rod 60, by.

iving theracka normal en- The release of thecarriage or movement ,trom right to left may be eiiected by a ump IOO.

370 isa rod connected, by means of This lever anism. the post 371 to the lever372. 372 is pivoted to the frame and has a rockin movement in a vertical plane. Beyondtl l e pivotal point this lever 372 carries a projection or pin'373, which.

stands underneath the edgeof the rack26 of the escapement-"mech'ani'sm, The end of this pin 373is preferably be'veled,'as shown in Fig. 2, in order toeffect a more perfect coordinary escapement mechanism. By rewith this plate, and it with the under si .riage from right taining the key 37 in a depressed position withsome pressure applied the pill 373 acts as a brake u on the movement of the-carriage, there ein a frictional enga ement e of the rack 26. means and byvarying the pr sure the speed of travel of the carriage and its distance may.

be controlled. It is desirable,' however, that adjustable stops be provided to cooperate with the carriage, so that it may stop at definitc points as desired.

76 is a shaft which has bearings in'thc side frames 22 22.

77 is a jur'n -sto to longitudina ly slide upon the shaft to rotate therewith, the shaftbein preferably flattened on one'sid'e to effect tl iis cooperation. g

761 is a s ring on shaft 76, which normally tends to ho d the lower partof the stop 77 to the rear andin engagement wit the teeth of a notched plate 78, which is harried by the carriage-bar 221. I

79 is a scale mounted so as to enable the operator to adjust the stop 7.7 in a position as desired.-

The heel 771 of the stop 77 is adapted to engage with the teeth of the plate 78.. The spring. 761 will hold the sto in engagement will e obvious that the stop 'may be adjusted longitudinally on the shaft 76 to any position as desired. Any number of these sto s 77 may be provided and adjusted at. the desired points along the rod or shaft 76.

The toe 772 of the stop 77 when in its normal position stands in such a position that if which is mounted so as the carriage is moved longitudinally when the stop key-bar is de ressed the shoulder 374 of the lever 372 wil intercept the stop, and thus arrest the movement of the carto left. When the key-bar 37 is released,

the pin 373 releases of the machine by this- 76, but

the shoulder 374 of course .moves downward and free from the toe of the stop. Atxthe same time stop mechanism the rack 26 and allows it to come into its nor- 6 5 mal engagement with the gear 27. mechanism is then in position to be operated, as usual. 'The carriage may therefore be moved lon itudinally by manually disengaging the ra'c r 26 from the gear 27 or auto1nat ically by depressing the key 37. When it is thus automatically released, the movement will continue until the toe of the stop contacts with the shoulder 374. The position of the stop on the shaft 76 determines obviously the distance be thus automatically moved.

38 is a marginal stop which is mounted, on the guide rod 24 at the rear andadapted to be adjusted longitudinally thereon 381 is a beveled point or projection from the lower front edge of the stop 38, which isthrough which the carriage may The 7 adapted to engage with the teeth of a notched plate 382, carried by the frame of the machine. This plate is provided with a scale in order to guide the operator in adjusting the stop to its proper position.

383 is a spring which is situated in a recess in the stop 38 and the tension of which against the rod 24 may be adjusted by the screw 384. The tension of this spring 383 tends to hold the stop 38, with its projection 381, in engagement with the rack or toothed plate 382. The stop may, however, be rotatedabout the rod 24 until the end of the spring 383 slips about the corner of the rod, and at this time the stop will be held out of engagement with the teeth of the plate 382. In this way the operator may, if it is desired, disengage the stop 38, and it will remain in its disengaged position at an angle corre; sponding' to the angle between the faces of the rod 24'n this instance ninety degrees, since the rod is squared. The horizontal rearwardly-eXtending handle of the stop 38 acts as a weight to assist the spring 383 in holding the stop in its engagement with the teeth of the shaft 382. or dog mounted to be adjusted on the rod 24-,

but with its projection 391 oppositelypositioned from the tooth ofthe stop 38. Similarly, the toothed plate 392 has its teeth oppositely positioned from the teeth of the plate 382. The carriage, which is mounted on the guide-sleeve 23, will therefore be limited in its longitudinal movement either to the left or to the right by the positions of the stops or dogs 38 39, against either one of which the correeponding end of the sleeve 23 will abut.

-hese stops may be very readily adjusted in longitudinal posltions and disengaged, if desired. The'construction is sim ale and rell able; .The stops 38 maybe rea, ily attached to in any number or removed from the rod 24 The operation of the platenat any b11116. shifting mechanism and the operation of the do not interfere with one another under any conditions, and the parts are 39 1s a similar stop so constructed that the severe slim-k to which they are subjected when the stop is operated carelessly does not injure the parts, the carriage-frames and laten side plates being especially designed or this purpose.

What I claim is 1. In a type-Writer construction, the combination of a carriage including side plates, a bar connecting them, a guide-sleeve removably connected to said bar and. a guide-rod on the machine-frame, and a spring-pressed marginal stop adjustable on said rod and adapted to coact with said guide-sleeve.

- 2. In a type-writer construction, the combination of a carriage including side plates, a

bar connecting them, a guide-sleeve remove ably connected to said bar, a guide-rod on the machine-frame, and a marginal stop adjustable on said'rod and adapted to coact with said guide-sleeve, a rack and a spring for pressing against the flat face of said rod and holding said stop against said rack.

3. A type-writer construction including a pair of carriage side frames, plat en side plates pivotally connected to said frames, a

ar connecting said frames and plates, a shaft pivoted in said frames, a rack carried by said shaft, escapement mechanism coactmg with said rack and a key-controlled means for disengaging the rack from said escapement mechanism.

4. A type-writer construction including a pair of carriage side frames, platen slde plates pivotally connected to said frames, a

ar connecting said frames and plates, a shaft pivoted in said frames, a rack carried by said shaft, escapement mechanism coacting with said rack and a he controlled means for disengaging .the rac from said escapement mechanism including a key-bar, a pivoted lever and a rod connecting said key-bar and said lever.

5. 'A type-writer construction including a air of carria e side frames laten side b 7 plates pivotally connected to-said frames, a-

. bar connecting said frames and plates, a shaft pivoted in said frames, a rack-carried by said shaft, escapement'mechanism coacting with said rack and a key-controlled means for disengaging the rack from said escapement mechanism, a shaft or rod and an adjustable stop carried thereby and ada ted to be engaged by the mechanism whlc i also operates to disengage the rack from the feed mechanism. o 6. .A type-writer construction including a longitudinally-movable carriage having slde frames, 9. ivotally-mounted rack carried thereby an forming one element'of an escapement mechanism, a keg-bar, a pivoted le-- ver and a connecting-rod etween said key: bar and one end of said lever whereby by the depression of said key-bar said rack may be moved about its pivot, a shaft or rod forming a mu-guidwtrack and an adjustable stop carried thereby and adapted to be engaged by the mechanism which also operates to disengage the rack from the feed mechanism.

A type-writer construction including a longitudinallymovable carriage, a .pivotadv-mounted ing one element of an escapement mechanism, a key-bar, a pivoted lever and connecting-rod, between said key-bar and one end of said lever whereby by the depression of said key-bar said rack may be moved about its pivot, and the carriage moved longitudinally but frictionally controlled, a shaft or rod forming a rear guide-track, and an adjustable stop carried therebyand adapted to be mechanism.

8. A type-writer construction including acarriage, an angular guide-rod, a longitudinally-movable sleeve mounted thereon, a stop mounted on said guide-rod, a spring acting in a recess in said stop and cooperating with a face of said rod for yieldingly holding the said stop in its operative position.

9. A type-writer construction including a. carriage, an angular guide-rod, a longitudinally-movable sleeve mounted thereon, a stop mounted on said guide-rod, a spring acting in a recess in said stop and cooperating with a face of said rod for yieldingly holding the said stop inits operative position, and a screw cooperating with said spring.

10. A type-writer construction including a carriage, a guide-rod, a longitudinally-movable sleeve mounted thereon, a weighted stop mounted on said guide-rod, a spring actmg in a recess in sald stop and'cooperatmg 'with said rod for holding the said stop in its operative position and a stationary plate with its teeth to the rear and engaged by said stop.

1 1. A type-writer construction including a stationary guide-rod, a sleeve mounted to slide thereon, adjustable stops mounted on said guide-rod at either end to act in conjunction with said sleeve as it moves longitudinally on said rod and handles projecting to the rear for adjusting said stops and welghtjing them, and a carriage construction con nected to said sleeve.

12. A type-writer construction including a IIO guide-rod, a sleeve adapted to slide thereon,

a carriage construction carried by said sleeve and comprising side frames, a bar connecting the same, a notched plate carried by said bar, a shaft or rod, a longitudinally-adjustable stop carried by said. rod and normally in engagement witli'the teeth of said plate and key-controlled means for interposition in front of said stop.

13. A type-writer construction including a glide-rod, a sleeve adapted to slide thereon,

. and comprising side frames, a bar connecting the same, a notched plate carried by said bar, ashaft-or rod, a longitudinally-adjustable stop'carriedby said rod and a spring for normally holding said stop in engagement with the teeth of said plate and key-controlled means for engaging said stop.

14. A type-writer'construction including a guide-rod, a sleeve adapted to slide thereon, a carriage construction carried by said sleeve and comprising side frames, a bar connecting the same, a notched plate carriedby said bar, a shaft or rod, a longitudinally-adjustable stop carried by said rod and normally in engagement with the teeth of said plate, and a 'key-controlled stop-lever adapted to be moved so as to intercept the longitudinal movement of the carriage by means of said stop.

15. A type-Writer construction including a stationary guide-rod, a sleeve mounted to slide thereon, adjustable stops mounted on said guide-rod ateither end to act in conjunction with said sleeve as it moves longitu dinally on said rod, and a carriage con'struction connected to said sleeve, a rod, adjustable. stops mounted thereon and a key-controlled stop-lever'adapted to be moved so as to intercept the longitudinal movement of the carriage by means of said latter stops.

JESSE ALEXANDER. Witnesses ROBT. S. ALLYN, L. VREELAND. 

